linux-kernel - Re: [PATCH v2 0/3] block: zero non-PI portion of auto integrity buffer

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Message-ID: <yq11pjzrdlg.fsf@ca-mkp.ca.oracle.com>
Date: Thu, 08 Jan 2026 16:37:11 -0500
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: Caleb Sander Mateos <csander@...estorage.com>
Cc: Jens Axboe <axboe@...nel.dk>, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, Anuj Gupta <anuj20.g@...sung.com>,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH v2 0/3] block: zero non-PI portion of auto integrity buffer


Caleb,

> For block devices capable of storing "opaque" metadata in addition to
> protection information, ensure the opaque bytes are initialized by the
> block layer's auto integrity generation. Otherwise, the contents of
> kernel memory can be leaked via the storage device. Two follow-on
> patches simplify the bio_integrity_prep() code a bit.

LGTM.

Reviewed-by: Martin K. Petersen <martin.petersen@...cle.com>

-- 
Martin K. Petersen